Sinch Launches Alpha 'Functions' Tool to Run Voice and Messaging Logic In-Network

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Sinch has introduced Sinch Functions, an alpha-stage platform that lets developers run voice and messaging handler code directly on Sinch's own network infrastructure rather than on external servers. The tool is designed specifically to eliminate the dedicated middleware deployments typically needed to bridge an application and the Sinch API, handling callbacks where they originate. It is not a general-purpose serverless compute replacement; business logic and non-Sinch workloads are expected to remain on existing infrastructure such as AWS or Azure. Pricing follows a usage-based model, including $0.10 per compute-hour with the first hour free monthly, though rates may change before general availability. The platform currently supports Node.js 20 and C# runtimes and is accessible via a dedicated CLI, but Sinch cautions it should be used for experimentation rather than production traffic at this stage.

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